Statistical Selection Task

The Statistical Selection task is used to perform statistical calculations on the data. You can run several types of statistical calculations on the same Statistical Selection task panel.

The Statistical Selection task panel has the following fields:

Available Elements

Displays the list of available elements to perform calculations. You can click the desired element to add your choice to the New Elements list.

New Element

Specifies the element name to store the resulting value.

Note: The default is the element used in the calculation and must be changed to a unique name.

Expression

Displays the element and the statistical calculations. The value of the new element is derived from the statistical calculations.

Remove

Deletes the highlighted calculation from the list.

The four drop-down boxes below the Available Elements box display the currently selected statistical functions that can be applied to a selected element. Use the drop-down list to change the selected function. To fill in the expression column, click Apply next to the statistical function you want to use.

The dropdown list includes the following items:

N

Number of Nonmissing Values

NMISS

Number of Missing Values

MIN

Minimum of Nonmissing Values

MAX

Maximum of Nonmissing Values

RANGE

RANGE of Nonmissing Values

SUM

SUM of Nonmissing Values

SUMWGT

Weighted Sum of Nonmissing Values

MEAN

MEAN of Nonmissing Values

CSS

Corrected Sum of Squares

USS

Uncorrected Sum of Squares

VAR

Variance of NonMissing

STD

Standard Deviation of Nonmissing

STDERR

Standard Error of the Mean

CV

Coefficient of Variation

SKEWNESS

Skewness

KURTOSIS

Kurtosis

T

Student's Test

PRT

Probability of Greater Absolute Value

Note: For more information about statistical calculations, see the SAS Procedures Guide.